Sharp DX-B450P - Manual (Page 22)

2-14 User’s Guide
Loading Paper
Getting to Know Your Printer
8. Replace the lid of the paper tray and firmly close the lid.
9. Firmly insert the tray in the printer.
Loading Paper Larger Than A4/Letter Size In The Paper Tray
1. Place the paper tray on a flat surface.
2. Remove the lid of the tray.
3. Slide the right and left lock tabs in the paper tray outwards to unlock them.